broadwell. her complaint to the fbi led to the discovery of broadwell and petraeus's relationship, prompting his resignation on friday. allen succeeded petraeus in afghanistan last year. the pentagon says allen will remain the u.s. commander in afghanistan for now, but the plans to nominate him to become nato's supreme allied commander are on hold pending the outcome of an investigation. on monday night, fbi agents continued their probe by searching broadwell's north carolina home. as the obama administration faces turmoil with two top military leaders, reports are continuing to emerge of the potential makeup of its second term cabinet. according to the washington post, massachusetts senator and former presidential candidate john kerry has emerged as a potential candidate to become the next secretary of defense. a decorated veteran of the vietnam war, john kerry became known in the 1970's when he returned home from vietnam to call for u.s. withdrawal. the current u.s. ambassador to the u.n., sus